3-indolecarboxamide derivatives

Details 3-indolecarboxamide derivatives 3-indolecarboxamide derivatives

C - Chemistry, Metallurgy

07

D

260/279, 260/306

C07D 401/12 (2006.01) C07D 403/12 (2006.01)

Patent

CA 1230332

- 1 - YO-1-35877C/NK/84. TITLE OF THE INVENTION 3-INDOLECARBOXAMIDE DERIVATIVES ABSTRACT OF THE DISCLOSURE 3-Indolecarboxamide derivatives of the formula: Image inclusive of pharmaceutically acceptable acid addition salt and/or hydrate forms thereof, wherein R1 is C1-8 alkyl, C3-8 cycloalkyl, C3-8 cycloalkyl-C1-8 alkyl, allyl, propargyl, or phenyl or phenyl-C1-4 alkyl which may be optionally sub- stituted, on the benzene ring, by at least one substituent selected from the group consisting of halogen, trifluoromethyl, C1-4 alkyl and C1-4 alkoxy; R2 is H or C1-6 alkyl; R3 is H, halogen, C2-6 alkanoyloxy, benzoyloxy, C1-4 alkoxy, benzyloxy, hydroxy or C1-4 alkyl; R4 is H, halogen, C1-4 alkyl, C1-4 alkoxy or hydroxy; R5 is H or C1-4 alkoxy; A is ethylene or trimethylene, which may be optionally substituted by C1-4 alkyl; n is zero, 1 or 2; and m is zero or 1, are useful as drugs for the prevention and treatment of various allergic diseases.

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